WSN InstaChat is an experimental new kind of chat where you can watch others typing rich text in real time. Use rich text formatting, images, spell check, tables, bullet points, lists, Flash objects, smilies, and more in your chat. Collaborate with other people, either one on one or with a large group. Installation is as easy as copying the files to your Web server.

SILC (Secure Internet Live Conferencing) is a protocol which provides secure conferencing and chat services. It can be used to send any kind of messages, in addition to normal text messages, including multimedia messages like images, video, and audio stream. All messages in the SILC network are encrypted and authenticated, and messages can also be digitally signed. SILC protocol supports AES, SHA-1, SHA-2, PKCS#1, PKCS#3, X.509, OpenPGP, and is being developed in the IETF. The software is delivered as SILC Client for end users, SILC Server for system administrators, and SILC Toolkit for application developers.

MCabber is a small Jabber console client. It features SASL/TLS/SSL support, multi-user chat, PGP support, history logging, dynamic modules, and external actions triggers. It also has support for Aspell/Enchant for spell checking and OTR (Off-The-Record) messaging.

TurnKey ejabberd Appliance is a server appliance that combines ejabberd with Speeqe to create a live chat server that supports strong encryption and works with any Web browser or XMPP client. ejabberd is a powerful XMPP server that supports clustering, live upgrades, shared roster groups and provides support for virtual hosts. It is designed to be easy to use and easy to maintain. Security patches are automatically installed. It provides a Web management interface, configuration console, and an AJAX Web shell. To minimize footprint the appliance is built from the ground up with the minimum required components. It runs everywhere thanks to multiple build formats, including an installable live CD, a VMDK with OVF support, and an Amazon EC2 AMI.

Tsung is a distributed load testing tool. It is protocol-independent and can currently be used to stress HTTP, WebDAV, PostgreSQL, MySQL, LDAP, AMQP, and XMPP/Jabber servers. It simulates user behavior using an XML description file, reports many measurements in real time (statistics can be customized with transactions, and graphics generated using gnuplot). For HTTP, it supports 1.0 and 1.1, has a proxy mode to record sessions, supports GET, POST, PUT, and DELETE methods, cookies, and basic/digest authentication. It also has support for SSL, WebSocket, and BOSH.

ngIRCd is a portable IRC daemon written from scratch. It is easy to configure,
supports server links (even with original ircds) and runs on hosts with changing
IP addresses (such as dial-in networks). Currently supported platforms are AIX,
A/UX, Darwin/Mac OS X, FreeBSD, HP-UX, IRIX, Linux, NetBSD, SunOS/Solaris, and Windows with Cygwin.

The SeaMonkey project is a community effort to develop an all-in-one Internet application suite. It contains an Internet browser, email and newsgroup client with an included Web feed reader, HTML editor, IRC chat, and Web development tools, and is sure to appeal to advanced users, Web developers, and corporate users. It uses much of the Mozilla source code powering such successful siblings as Firefox, Thunderbird, Camino, Sunbird, and Miro.